7	carbarn	4	rara
4	narc	4	cran
4	crab	4	carr
4	carn	4	carb
4	bran	4	barn
3	ran	3	nab
3	car	3	can
3	cab	3	brr
3	bra	3	bar
3	ban	3	baa
3	arc	3	arb
3	ana	3	aba
2	na	2	ba
2	ar	2	an
2	ab	2	aa